/**
 * 
 */
(function($){ 
  var ms = { 
    init:function(obj,args){ 
      return (function(){ 
        ms.fillHtml(obj,args); 
        ms.bindEvent(obj,args); 
      })(); 
    }, 
    //填充html 
    fillHtml:function(obj,args){ 
      return (function(){ 
        obj.empty(); 
        //上一页 
        if(args.current > 1){ 
          obj.append('<a href="javascript:;" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" class="prevPage">上一页</a>'); 
        }else{ 
          obj.remove('.prevPage'); 
          obj.append('<span class="disabled">上一页</span>'); 
        } 
        //中间页码 
        if(args.current != 1 && args.current >= 4 && args.pageCount != 4){ 
          obj.append('<a href="javascript:;" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" class="tcdNumber">'+1+'</a>'); 
        } 
        if(args.current-2 > 2 && args.current <= args.pageCount && args.pageCount > 5){ 
          obj.append('<span>...</span>'); 
        } 
        var start = args.current -2,end = args.current+2; 
        if((start > 1 && args.current < 4)||args.current == 1){ 
          end++; 
        } 
        if(args.current > args.pageCount-4 && args.current >= args.pageCount){ 
          start--; 
        } 
        for (;start <= end; start++) { 
          if(start <= args.pageCount && start >= 1){ 
            if(start != args.current){ 
              obj.append('<a href="javascript:;" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" class="tcdNumber">'+ start +'</a>'); 
            }else{ 
              obj.append('<span class="current">'+ start +'</span>'); 
            } 
          } 
        } 
        if(args.current + 2 < args.pageCount - 1 && args.current >= 1 && args.pageCount > 5){ 
          obj.append('<span>...</span>'); 
        } 
        if(args.current != args.pageCount && args.current < args.pageCount -2 && args.pageCount != 4){ 
          obj.append('<a href="javascript:;" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" class="tcdNumber">'+args.pageCount+'</a>'); 
        } 
        //下一页 
        if(args.current < args.pageCount){ 
          obj.append('<a href="javascript:;" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" class="nextPage">下一页</a>'); 
        }else{ 
          obj.remove('.nextPage'); 
          obj.append('<span class="disabled">下一页</span>'); 
        } 
      })(); 
    }, 
    //绑定事件 
    bindEvent:function(obj,args){ 
      return (function(){ 
        obj.on("click","a.tcdNumber",function(){ 
          var current = parseInt($(this).text()); 
          ms.fillHtml(obj,{"current":current,"pageCount":args.pageCount}); 
          if(typeof(args.backFn)=="function"){ 
            args.backFn(current); 
          } 
        }); 
        //上一页 
        obj.on("click","a.prevPage",function(){ 
          var current = parseInt(obj.children("span.current").text()); 
          ms.fillHtml(obj,{"current":current-1,"pageCount":args.pageCount}); 
          if(typeof(args.backFn)=="function"){ 
            args.backFn(current-1); 
          } 
        }); 
        //下一页 
        obj.on("click","a.nextPage",function(){ 
          var current = parseInt(obj.children("span.current").text()); 
          ms.fillHtml(obj,{"current":current+1,"pageCount":args.pageCount}); 
          if(typeof(args.backFn)=="function"){ 
            args.backFn(current+1); 
          } 
        }); 
      })(); 
    } 
  } 
  $.fn.createPage = function(options){ 
    var args = $.extend({ 
      pageCount : 10, 
      current : 1, 
      backFn : function(){} 
    },options); 
    ms.init(this,args); 
  } 
})(jQuery); 